Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

I look at you, you look at me I raise my right, you raise your left. What am I?

I cannot talk, but I always reply when spoken to. What am I?

What makes this number unique: 8,549,176,320?

A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.



This process kept repeating till it fell on the last leaf losing 1/75th of its volume.



Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?